Amusement devices: games – Surface projectile game; game element – Simulated game
Patent
1991-05-08
1992-05-19
Grieb, William H.
Amusement devices: games
Surface projectile game; game element
Simulated game
273183R, 273186A, 273186C, A63B 6936
Patent
active
051141507
ABSTRACT:
A golf swing analyzer having two sensors which are adapted to sense the swing of a golf club, wherein analysis is made by detecting crossing points of the output signal waveforms at which the waveforms intersect a reference potential level plus and minus a predetermined value. The golf swing analyzer takes accurate measurement of the speed and/or direction of the swing without being affected by a noise.
REFERENCES:
patent: 4180726 (1979-12-01), Decrescent
patent: 4254956 (1981-03-01), Rusnak
patent: 4477079 (1984-10-01), White
patent: 4615525 (1986-10-01), Yasuda et al.
patent: 4979745 (1990-12-01), Kobayashi
Grieb William H.
Harrison Jessica
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